[PATCH 5/9] drm/tegra: fb: Add diagnostics for framebuffer modifiers

Thierry Reding
2021-03-23T15:55:11Z

From: Thierry Reding <treding@nvidia.com>

Add a debug message to let the user know when a framebuffer modifier is
not supported.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
drivers/gpu/drm/tegra/fb.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c
index 01939c57fc74..350f33206076 100644
--- a/drivers/gpu/drm/tegra/fb.c
+++ b/drivers/gpu/drm/tegra/fb.c
@@ -86,6 +86,7 @@ int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
break;

default:
+ DRM_DEBUG_KMS("unknown format modifier: %llx\n", modifier);
return -EINVAL;
}

--
2.30.2